Patch 8.2.0039
Problem: Memory access error when "z=" has no suggestions.
Solution: Check for negative index.
Files: src/testdir/test_spell.vim, src/spellsuggest.c
*** ../vim-8.2.0038/src/testdir/test_spell.vim 2019-12-25 13:36:32.717113034
+0100
--- src/testdir/test_spell.vim 2019-12-25 13:41:50.788414357 +0100
***************
*** 241,249 ****
\ .. "Type number and <Enter> or click with mouse (empty cancels): ", a)
set spell spellsuggest=0
! " FIXME: the following line is currently commented out as it triggers a
! " memory error detected in cleanup_suggestions() by asan or valgrind.
! "call assert_equal("\nSorry, no suggestions", execute('norm z='))
" Unlike z=, function spellsuggest(...) should not be affected by the
" max number of suggestions (2) set by the 'spellsuggest' option.
--- 241,247 ----
\ .. "Type number and <Enter> or click with mouse (empty cancels): ", a)
set spell spellsuggest=0
! call assert_equal("\nSorry, no suggestions", execute('norm z='))
" Unlike z=, function spellsuggest(...) should not be affected by the
" max number of suggestions (2) set by the 'spellsuggest' option.
*** ../vim-8.2.0038/src/spellsuggest.c 2019-11-02 22:51:27.000000000 +0100
--- src/spellsuggest.c 2019-12-25 13:52:19.642467947 +0100
***************
*** 3729,3735 ****
for (i = keep; i < gap->ga_len; ++i)
vim_free(stp[i].st_word);
gap->ga_len = keep;
! return stp[keep - 1].st_score;
}
return maxscore;
}
--- 3729,3736 ----
for (i = keep; i < gap->ga_len; ++i)
vim_free(stp[i].st_word);
gap->ga_len = keep;
! if (keep >= 1)
! return stp[keep - 1].st_score;
}
return maxscore;
}
*** ../vim-8.2.0038/src/version.c 2019-12-25 13:36:32.717113034 +0100
--- src/version.c 2019-12-25 13:42:33.236301026 +0100
***************
*** 744,745 ****
--- 744,747 ----
{ /* Add new patch number below this line */
+ /**/
+ 39,
/**/
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